350MM COMBINED CAPPING AND SUBBASE INSTALLED IN ONE PASS TO IAN 73/06(W) REVISION 1 (2009)
Improve programme, environmental and commercial performance when compared with traditional stone designs. Restore the growth of crops or grasses upon completion of works. Strengths guaranteed to achieve over 30% CBR for a single enhanced subbase layer with an addition rate of 2% binder, founded upon a 2.5% CBR subgrade.
TYPE 1 STONE SURFACING DESIGN
Curing stabilised material is covered with 100-150mm of primary type 1 stone and is compacted, this cures with the stabilised layer giving a robust and durable surface. Suitable for short to medium length programmes.
The enhanced area is surfaced with primary type 1 before it is mixed with further binder and additional finishing processes are undertaken. Suitable for programmes approaching or exceeding 2 years.
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